Assignee
CHEN QIFENG
CN·2 granted patents·2 pending applications·6 citations·filing 2007–2025
Technology mixA61C3
Top patents by PatentIndex Score
4 records- 0173USD1075124SLava lampCHEN QIFENG·Filed 2024·Granted May 13, 2025·4 cites·1 claims
- 0265US9358081B2Lingual bracketCHEN QIFENG·Filed 2011·Granted Jun 7, 2016·2 cites·12 claims
- 0349US2009305183A1Bell-Mouthed Active Wing BracketCHEN QIFENG·Filed 2007·Application pending·0 cites
- 0449US2025213330A1Lingual BracketCHEN QIFENG·Filed 2025·Application pending·0 cites
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